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Volumn 9, Issue , 2013, Pages 236-245

Radical zinc-atom-transfer-based carbozincation of haloalkynes with dialkylzincs

Author keywords

Carbenoids; Carbometallation; Carbozincation; Radicals; Tandem reaction

Indexed keywords


EID: 84873435105     PISSN: None     EISSN: 18605397     Source Type: Journal    
DOI: 10.3762/bjoc.9.28     Document Type: Article
Times cited : (11)

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    • Even though the H-donor has not been identified, competitive H-atom transfer is a frequent side-reaction in the 1,4-addition/cyclization reaction of dialkylzincs with β-(propargyloxy)enoates, see references [37] and [38]
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    • Among others, the chemical shift (δ = 6.17 ppm) and coupling constant of the vinylic proton (J = 1.9 Hz) are indicative of the E-configuration
    • The stereochemical assignment was done on the basis of the comparison of the NMR data of 4ac and 4aa. Among others, the chemical shift (δ = 6.17 ppm) and coupling constant of the vinylic proton (J = 1.9 Hz) are indicative of the E-configuration.
    • The Stereochemical Assignment Was Done on the Basis of the Comparison of the NMR Data of 4ac and 4aa


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